Quick Answer
Ontario California residents file for divorce at the San Bernardino Superior Court Family Law Division located at 247 West Third Street, San Bernardino, California 92415, phone (909) 521-3101. California Family Code section 2320 requires 6 months of California residency and 3 months of San Bernardino County residency before filing. The filing fee is $435 in 2026, with fee waivers available for low income filers. The minimum waiting period under California Family Code section 2339 is 6 months and 1 day from service. Ontario is the largest city in San Bernardino County and the Inland Empire by population, with significant family law caseload. The Ontario office of the San Bernardino County Department of Child Support Services is reachable at (866) 901-3212. Local family law issues include the area’s high housing costs affecting property division, the diverse employment base affecting income calculations, and the multilingual population requiring language access services.Table of Contents
About Ontario California
Ontario is the largest city in San Bernardino County and the Inland Empire region, with a population of approximately 175,000 residents. Located approximately 35 miles east of downtown Los Angeles, Ontario serves as a major commercial, logistics, and transportation hub. The city is home to Ontario International Airport, one of the fastest growing airports in Southern California.
The diverse local economy includes logistics and warehousing, manufacturing, healthcare, retail, hospitality, and professional services. Major employers in the area include Amazon, FedEx, Bechtel, Quad Graphics, the City of Ontario, and several large healthcare systems. This economic diversity affects family law cases. Income calculations and earning capacity assessments often involve multiple employment scenarios.
Ontario’s population is ethnically diverse with approximately 70 percent Hispanic or Latino, 14 percent White, 7 percent Asian, and 6 percent Black or African American residents. The diverse community means family law cases often involve multilingual parties, cross cultural considerations, and immigration related issues. Many cases require interpreters, and family law attorneys serving the area benefit from cultural awareness.
Where Ontario Residents File
Ontario California residents file divorce cases at the San Bernardino Superior Court Family Law Division. The courthouse address and contact information are: San Bernardino Superior Court Family Law Division at 247 West Third Street, San Bernardino, California 92415, phone (909) 521-3101. A board-certified family law specialist with local experience can help navigate the specific procedures of the San Bernardino court.
The drive from Ontario to the San Bernardino courthouse takes approximately 25 to 35 minutes depending on traffic. The courthouse is accessible by car via I-10 East and the 215 South. Limited parking is available. Public transportation through OmniTrans connects Ontario to San Bernardino with route 61, which passes near the courthouse.
Residency Requirements
Before filing for divorce in Ontario California through the San Bernardino court, California Family Code section 2320 requires:
- At least one spouse has lived in California for the past 6 months
- At least one spouse has lived in San Bernardino County for the past 3 months
Ontario California is in San Bernardino County, so Ontario residence counts toward the 3 month San Bernardino County requirement. If you have recently moved to Ontario from another county or state, you may need to wait before filing. New California residents who have not yet met the 6 month state requirement can file for legal separation in California Family Code section 2400, which has no residency requirement, and later convert to divorce.
The San Bernardino Family Law Division
The San Bernardino Superior Court Family Law Division handles all family law cases for San Bernardino County, including divorces, custody, child support, restraining orders, and adoptions. The Family Law Division is located at the San Bernardino Justice Center.
Court Hours and Filing
- Business hours: typically 8:00 AM to 4:00 PM Monday through Friday
- Filing window closes earlier than business hours (typically 3:00 PM)
- Phone: (909) 521-3101
- E filing is required for attorney represented parties
- Self represented parties can file in person or by mail
Court Departments
The Family Law Division operates multiple departments handling different aspects of cases. Specific judges hear specific case types. Department assignments are determined by the court at filing. Some departments specialize in custody, some in support, and some in complex property cases.
Filing Process for Ontario Residents
The filing process for Ontario California residents follows California’s standard statewide procedure:
- Confirm 6 months California and 3 months San Bernardino County residency
- Complete Judicial Council form FL-100 (Petition for Dissolution)
- Complete form FL-110 (Summons) and other required forms
- Drive to the San Bernardino Justice Center at 247 West Third Street, San Bernardino, California 92415
- Pay the $435 filing fee or submit form FW-001 fee waiver request
- Receive the case number and stamped copies
- Serve your spouse through sheriff, process server, or other authorized person
- File the Proof of Service of Summons (form FL-115)
- Complete and exchange financial disclosures
- Resolve all issues through negotiation, mediation, or trial
- Submit final judgment paperwork
- Wait for the 6 month period and court approval
Local Resources and Services
Family Law Facilitator
San Bernardino County has a Family Law Facilitator program providing free assistance to self represented parties. The Facilitator can help with form completion, child support calculations, and procedural questions. The Facilitator cannot give legal advice or represent you, but the assistance is significant for self represented filers.
Department of Child Support Services
The San Bernardino County Department of Child Support Services has an Ontario office that handles child support establishment, modification, and enforcement. The DCSS phone number is (866) 901-3212. Services are free for parents seeking establishment or enforcement of child support orders.
Domestic Violence Resources
Ontario residents experiencing domestic violence can access resources through the National Domestic Violence Hotline at 1-800-799-7233, the San Bernardino County Family Justice Center, and local Ontario law enforcement. The Ontario Police Department can request Emergency Protective Orders for immediate situations.
Mediation Services
San Bernardino County provides free Family Court Services mediation for contested custody and visitation disputes. Private mediators are also available in the Ontario area and the broader Inland Empire.
Ontario California Demographics
Understanding Ontario’s demographic profile helps explain why local family law has specific characteristics:
- Population: approximately 175,000
- Median household income: approximately $80,000 (2024 data)
- Median home value: approximately $650,000 (2024 data)
- Population diversity: 70 percent Hispanic/Latino, 14 percent White, 7 percent Asian, 6 percent Black
- Median age: approximately 32 years
- Family households with children: approximately 45 percent
- Major industries: logistics, manufacturing, healthcare, retail, hospitality
These demographics influence the types of family law cases seen in the area. High home values mean significant assets often involve real estate division. The diverse population means cultural considerations affect many cases. The relatively young median age means many cases involve minor children.
Common Local Family Law Issues
Ontario California family law cases often involve specific local issues:
High Cost Housing
Ontario’s housing costs are high relative to the national average but moderate compared to coastal Southern California. Many couples have significant equity in their homes that must be addressed in divorce. The community property in Ontario divorces often centers on the family home.
Multi Generational Households
Cultural traditions in Ontario’s diverse community often involve multi generational households. This can affect property characterization, financial arrangements, and custody considerations. Sometimes grandparents or extended family members have significant relationships with children that affect custody decisions.
Logistics and Service Industry Employment
Many Ontario residents work in logistics, warehousing, service industries, or related fields. These employment patterns often involve overtime, variable schedules, and shift work. Calculating income and parenting time requires specific attention to these employment realities.
Immigration Considerations
Ontario’s diverse population means many cases involve parties with immigration concerns. Divorce can affect immigration status. Children of mixed immigration status families may face unique custody issues. Family law attorneys serving Ontario often coordinate with immigration attorneys.
Cost of Divorce in Ontario
Divorce costs in Ontario California are consistent with overall California ranges:
- Filing fee: $435 (waivers available)
- Service fees: $40 to $150 (free for fee waiver cases)
- Uncontested divorce with attorney: $1,500 to $4,500
- Mediated divorce: $5,000 to $10,000 total (split between parties)
- Contested divorce: $15,000 to $50,000 per party
- High asset complex divorce: $50,000 to $250,000+ per party
Costs vary based on whether the case is contested, the complexity of property, and the level of attorney involvement. Many Ontario family law attorneys offer free initial consultations to help potential clients understand likely costs.
Timeline for Ontario Divorces
Timeline for divorces filed in the San Bernardino court system serving Ontario:
- Uncontested divorce: 6 to 9 months (limited by California Family Code section 2339 minimum 6 month wait)
- Mediated divorce: 6 to 12 months
- Contested divorce: 12 to 24 months
- Complex contested divorce: 24 to 48 months
The San Bernardino court has substantial caseload. Court availability for hearings and trial settings can affect timelines. Hearings in contested cases are typically scheduled 4 to 12 weeks after the request, depending on the type of hearing and court calendar.
Finding Local Legal Help
Several resources can help Ontario California residents find appropriate legal representation:
- State Bar Lawyer Referral Service for San Bernardino County
- San Bernardino County Bar Association referrals
- Family Law Facilitator at the San Bernardino courthouse for self represented parties
- Legal Aid Society of San Bernardino for low income filers
- Inland Counties Legal Services for low income filers
- Domestic violence legal advocacy through local organizations
- Board certified family law specialists for complex cases
When evaluating attorneys, look for specific experience in the San Bernardino court system, familiarity with local judges and procedures, and language capabilities if needed. Board certification by the California State Bar Board of Legal Specialization indicates the highest level of family law expertise.
Frequently Asked Questions
Q: Can I file for divorce in Ontario California?
A: Yes, if you meet residency requirements. You must have lived in California for at least 6 months and in San Bernardino County for at least 3 months. Ontario California is in San Bernardino County, so Ontario residence counts toward the county requirement. You file at the San Bernardino Superior Court Family Law Division at 247 West Third Street, San Bernardino, California 92415, phone (909) 521-3101. The court serves all of San Bernardino County including Ontario, Rancho Cucamonga, Fontana, Rialto, and other cities.
Q: How much does divorce cost in Ontario California?
A: Filing costs in Ontario follow statewide California rates. The court filing fee is $435 in 2026, with fee waivers available for low income filers. Total divorce costs depend on whether the case is contested. Uncontested divorces with attorney assistance typically cost $1,500 to $4,500. Contested divorces typically cost $15,000 to $50,000 or more per party. The cost of living in Ontario is moderate for California, but legal fees track regional rates. Mediation often costs $5,000 to $10,000 total when split between parties.
Q: How long does an Ontario California divorce take?
A: The minimum is 6 months and 1 day from service of the petition under California Family Code section 2339. Uncontested divorces typically complete in 6 to 9 months. Contested divorces typically take 12 to 24 months. The San Bernardino court has significant caseload, so hearing dates may be scheduled 4 to 12 weeks out. Complex cases involving business valuation, hidden assets, or international elements can take 2 to 4 years. The 6 month minimum applies regardless of agreement level.
Q: Where is the divorce court for Ontario California?
A: The Family Law Division is at the San Bernardino Superior Court, 247 West Third Street, San Bernardino, California 92415. The phone number is (909) 521-3101. This is the only family law courthouse for San Bernardino County, serving Ontario and all other cities in the county. The drive from Ontario takes approximately 25 to 35 minutes. The courthouse is accessible via I-10 East and 215 South. Limited parking is available.
Q: Do I need an attorney to file divorce in Ontario California?
A: You are not legally required to have an attorney for any family law proceeding. The San Bernardino County Family Law Facilitator program provides free assistance to self represented parties. Many uncontested divorces are successfully completed without attorneys. However, attorney representation is strongly recommended for contested divorces, complex property cases, custody disputes, and cases involving domestic violence. Many Ontario family law attorneys offer free initial consultations to discuss your specific situation.
Q: How do I find a divorce attorney in Ontario California?
A: Several approaches help find an appropriate attorney. The State Bar Lawyer Referral Service can connect you with attorneys in your area. The San Bernardino County Bar Association also has referral services. For low income filers, Inland Counties Legal Services and Legal Aid Society of San Bernardino provide free or reduced cost representation. For complex cases, look for board certified family law specialists. Board certification by the California State Bar Board of Legal Specialization indicates the highest level of expertise. Verify any attorney’s California Bar license at the State Bar of California website.
Q: What languages does the San Bernardino family court support?
A: The San Bernardino Superior Court provides interpreter services for non English speaking parties. Spanish, the most common non English language in Ontario, is regularly supported. Other languages including Mandarin, Cantonese, Vietnamese, Tagalog, Arabic, and others may be available through prior arrangement. Interpreter services are free for court proceedings. Requesting an interpreter in advance through the court’s interpreter services department ensures availability. The court forms are also available in Spanish from the California Courts Self Help Center.
Q: Are there mediation services in Ontario California?
A: Yes. San Bernardino County provides free Family Court Services mediation for contested custody and visitation disputes, as required under California Family Code section 3170. This mediation happens through the court system. Private mediation for property, support, and other issues is available through various mediators serving the Inland Empire. Private mediation typically costs $5,000 to $10,000 total when split between parties, far less than contested litigation. Many couples find mediation produces better outcomes than litigation while saving significant money and time.
Bottom Line
Divorce in Ontario California follows California’s statewide procedures but with local characteristics important to understand. Ontario residents file at the San Bernardino Superior Court Family Law Division at 247 West Third Street, San Bernardino, California 92415, phone (909) 521-3101. Residency requirements include 6 months California and 3 months San Bernardino County. Common local issues include high housing costs affecting property division, the diverse population requiring language access and cultural awareness, and the area’s employment base affecting income calculations. Free Family Law Facilitator services and child support assistance through DCSS at (866) 901-3212 are available.
If you are considering divorce in Ontario California, a free consultation with a board-certified family law specialist can help you understand the local landscape and develop the right strategy for your situation.
About the Author
Donald Glen Haslam, Esq. is a Board-Certified Family Law Specialist by the California State Bar Board of Legal Specialization and a senior partner at Haslam & Thorne, LLP in Ontario, California. He has practiced family law exclusively for over 40 years, representing families throughout San Bernardino County and the Inland Empire. Reviewed by Brian George Thorne, Esq., Board-Certified Family Law Specialist.
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Disclaimer: This article is for general informational purposes only and does not constitute legal advice. Local court procedures and demographics may change. For advice specific to your situation, consult with a licensed family law attorney in your area. Reading this article does not create an attorney-client relationship with Haslam & Thorne, LLP
